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公开(公告)号：US20230253530A1
公开(公告)日：2023-08-10
申请号：US17987952
申请日：2022-11-16
Applicant: Samsung Display Co., LTD.
Inventor： Joon Yong PARK , Sung Joo KWON , Hyun Eok SHIN , Hyun Ah SUNG , Dong Min LEE , Ju Hyun LEE
CPC classification number: H01L33/42 , H01L25/167 , H01L2933/0016 , H01L33/32
Abstract: There are provided a display device and a method of manufacturing the display device. The display device includes: electrodes spaced apart from each other; light emitting elements disposed between the electrodes; and connection electrodes disposed on the light emitting elements. Each of the connection electrodes includes a first conductive layer and a second conductive layer disposed on the first conductive layer, and a work function of the first conductive layer is lower than a work function of the second conductive layer.
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公开(公告)号：US20230180523A1
公开(公告)日：2023-06-08
申请号：US17953098
申请日：2022-09-26
Applicant: Samsung Display Co., Ltd.
Inventor： Hyun Ah SUNG , Tae Wook KANG , Hyun Min CHO , Dong Min LEE
CPC classification number: H01L27/3262 , H01L27/3234 , H01L27/1225 , H01L27/3218
Abstract: Provided is a display device comprising a substrate including a first sub-display area and a main display area surrounding the first sub-display area, a first transistor disposed on the main display area without overlapping the first sub-display area, a via insulating layer to cover the first transistor, a first light emitting element to overlap the main display area without overlapping the first sub-display area, a second light emitting element to overlap the first sub-display area without overlapping the main display area, and a transparent oxide layer to overlap the first sub-display area without overlapping the main display area, wherein the transparent oxide layer includes a conductive portion and a non-conductive portion, the first light emitting element is disposed to overlap the first transistor while being connected thereto, and the second light emitting element is connected to the conductive portion of the transparent oxide layer.
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公开(公告)号：US20230086407A1
公开(公告)日：2023-03-23
申请号：US17717554
申请日：2022-04-11
Applicant: Samsung Display Co., Ltd.
Inventor： Hyun Eok SHIN , Do Keun SONG , Dong Min LEE , Joon Yong PARK , Hyun Ah SUNG , Yun Jong YEO , Dae Won CHOI
IPC: H01L27/32
Abstract: A conductive pattern is disclosed that includes a conductive layer including aluminum, a first capping layer disposed on the conductive layer and including titanium, and a second capping layer disposed on the first capping layer and including titanium nitride. A mixed region in which the aluminum and the titanium are mixed with each other is disposed in at least portions of the conductive layer and the first capping layer.
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公开(公告)号：US20230317902A1
公开(公告)日：2023-10-05
申请号：US18088919
申请日：2022-12-27
Applicant: Samsung Display Co., LTD.
Inventor： Dong Min LEE , Hyun Ah SUNG , Young Rok KIM , Joon Yong PARK , Hyun Eok SHIN
CPC classification number: H01L33/62 , H01L33/387
Abstract: A wiring substrate and a display device including the same are provided. The display device includes a first substrate including a display area and a pad area disposed on one side of the display area, and a plurality of conductive layers including a plurality of wires and conductive patterns disposed in the display area and the pad area on the first substrate, wherein at least one of the conductive layers includes a copper-indium alloy and comprises a metal layer having a grain size equal to or less than about 140 nm.
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Patent Agency Ranking
公开(公告)号：US20230024131A1
公开(公告)日：2023-01-26
申请号：US17720063
申请日：2022-04-13
Applicant: Samsung Display Co., Ltd.
Inventor： Hyun Eok SHIN , Ju Hyun LEE , Sung Joo KWON , Hyun Ah SUNG , Dong Min LEE
Abstract: Provided is a display device comprising a substrate; a plurality of transistors disposed on the substrate; a first pixel electrode, a second pixel electrode, and a third pixel electrode respectively connected to the transistors; a first emission layer disposed to overlap the first pixel electrode, a second emission layer disposed to overlap the second pixel electrode, and a third emission layer disposed to overlap the third pixel electrode; and a common electrode disposed on the first emission layer, the second emission layer, and the third emission layer, wherein the first pixel electrode includes a first layer, and a second layer disposed on the first layer and including a Ga-doped ITO.
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公开(公告)号：US20220157856A1
公开(公告)日：2022-05-19
申请号：US17462803
申请日：2021-08-31
Applicant: Samsung Display Co., LTD.
Inventor： Jong Hyun CHOUNG , Jae Uoon KIM , Hyun Ah SUNG
IPC: H01L27/12
Abstract: A display device includes a data conductive layer disposed on a substrate, a passivation layer disposed on the data conductive layer, a via layer disposed on the passivation layer, and a pixel electrode disposed on the via layer. The data conductive layer includes a data base layer, a data main metal layer disposed on the data base layer, a first data capping layer disposed on the data main metal layer, a second data capping layer disposed on the first data capping layer, and a third data capping layer disposed on the second data capping layer. The passivation layer and the via layer include a pad opening which exposes a portion of the data conductive layer in the pad area. The third data capping layer has a higher etch rate than the first and second data capping layers for a same etchant.
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公开(公告)号：US20230307487A1
公开(公告)日：2023-09-28
申请号：US18085686
申请日：2022-12-21
Applicant: Samsung Display Co., LTD.
Inventor： Dong Min LEE , Hyun Ah SUNG , Tae Wook KANG , Young Rok KIM , Kyu Soon PARK , Joon Yong PARK , Hyun Eok SHIN , Jong Hyun CHOUNG
CPC classification number: H01L27/156 , H01L33/24 , H01L33/44
Abstract: A display device includes a display area and a pad area on a side of the display area, a plurality of conductive layers on a first substrate in the display area and the pad area and comprising a wiring and a conductive pattern, a via layer on the plurality of conductive layers, a plurality of electrodes on the via layer in the display area and spaced apart from each other, and a light emitting element on at least one of the plurality of electrodes. At least one of the conductive layers includes a first metal layer, a second metal layer on the first metal layer, and a third metal layer on the second metal layer. The second metal layer includes copper (Cu), the third metal layer includes a copper alloy, and a grain size of the third metal layer is smaller than a grain size of the second metal layer.
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公开(公告)号：US20230163158A1
公开(公告)日：2023-05-25
申请号：US17963659
申请日：2022-10-11
Applicant: Samsung Display Co., LTD.
Inventor： Hyun Ah SUNG , Dong Min LEE , Young Rok KIM , Kyu Soon PARK , Joon Yong PARK , Hyun Eok SHIN , Jong Hyun CHOUNG
CPC classification number: H01L27/156 , H01L33/24 , H01L33/44
Abstract: A display device includes a first substrate including a display area and a pad area, which is on one side of the display area, a plurality of conductive layers each including a plurality of wires and conductive patterns, which are in the display area and the pad area, on the first substrate, a via layer on the plurality of conductive layers, a first electrode and a second electrode on the via layer, in the display area, to be spaced apart from each other, a first insulating layer on the first electrode and the second electrode, a plurality of light-emitting elements on the first electrode, the second electrode, and on the first insulating layer, and a first connecting electrode on the first electrode and in contact with the plurality of light-emitting elements, and a second connecting electrode on the second electrode and in contact with the plurality of light-emitting elements, wherein at least one of the plurality of conductive layers includes a metal layer, which includes a copper-silver (CuAg) alloy and has a crystal grain size of 140 nm or less.
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公开(公告)号：US20220037620A1
公开(公告)日：2022-02-03
申请号：US17172742
申请日：2021-02-10
Applicant: Samsung Display Co., Ltd.
Inventor： Gyung Min BAEK , Hyun Ah SUNG , Hyun Eok SHIN
Abstract: A display device according to an embodiment may include a base layer including a first surface and a second surface, a pixel circuit layer including a first line on the first surface, a display element layer on the pixel circuit layer and including a display element, a thin film encapsulation layer on the display element layer, a first protective layer on the thin film encapsulation layer, and a second line on the second surface to correspond to the first line. The first protective layer may include a transparent insulating material.
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